Microgrid testbeds around the world: State of art

E Hossain, E Kabalci, R Bayindir, R Perez - Energy conversion and …, 2014 - Elsevier
This paper deals with the recent evolution of microgrids being used around the world in real
life applications as well as laboratory application for research. This study is intended to …

DC-system grounding: Existing strategies, performance analysis, functional characteristics, technical challenges, and selection criteria-a review

M Pourmirasghariyan, SF Zarei, M Hamzeh - Electric Power Systems …, 2022 - Elsevier
In this paper, the grounding system of DC-grids is elaborated; the subject which significantly
impacts the design and operation of the DC-grids. The existing studies in the literature do …

Overview of recent advanced topologies for transformerless dual-grounded inverters

X Guo, H Zhang, W Tang, Z Lu, C Hua… - … on Power Electronics, 2022 - ieeexplore.ieee.org
Transformerless inverters, most of which are H-bridge inverters, have been widely used and
studied in grid-connected power systems in the last decades. However, the H-bridge inverter …

A quasi-unipolar SPWM full-bridge transformerless PV grid-connected inverter with constant common-mode voltage

HF **ao, K Lan, L Zhang - IEEE Transactions on Power …, 2014 - ieeexplore.ieee.org
The unipolar sinusoidal pulsewidth modulation (SPWM) full-bridge transformerless
photovoltaic inverter with ac bypass brings low conduction loss and low leakage current. In …

A modified LLCL filter with the reduced conducted EMI noise

W Wu, Y Sun, Z Lin, Y He, M Huang… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
For a transformerless grid-tied converter using pulse width modulation, the harmonics of grid-
injected current, the leakage current, and the electromagnetic interference (EMI) noise are …

Three-level single-phase bridgeless PFC rectifiers

ADB Lange, TB Soeiro, MS Ortmann… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents new three-level unidirectional single-phase PFC rectifier topologies
well suited for applications targeting high efficiency and/or high power density. The …

A photovoltaic array transformer-less inverter with film capacitors and silicon carbide transistors

LC Breazeale, R Ayyanar - IEEE Transactions on Power …, 2014 - ieeexplore.ieee.org
A new photovoltaic (PV) array power converter circuit is presented. This inverter is a
transformer-less topology with grounded PV array and only film capacitors. The motivations …

Research site for low-voltage direct current distribution in a utility network—structure, functions, and operation

P Nuutinen, T Kaipia, P Peltoniemi… - … on Smart Grid, 2014 - ieeexplore.ieee.org
This paper introduces a research site for a low-voltage direct current (LVDC) distribution
system. The research site was established to enable practical studies concerning different …

A soft-switching bridgeless AC–DC power factor correction converter

M Alam, W Eberle, DS Gautam… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A new soft-switching, bridgeless power factor correction (PFC) boost converter is proposed
for power supply and battery charging applications. The converter operates in both pulse …

A hybrid resonant pulse-width modulation bridgeless AC–DC power factor correction converter

M Alam, W Eberle, DS Gautam… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
A hybrid resonant pulse-width modulation (PWM) bridgeless ac-dc power factor correction
(PFC) boost converter is proposed for application in power supplies and battery chargers …